Timing Chain: Removal

NOTE: Under the condition with the timing chain cover removed, in case of rotating the camshafts, make the position of the crankshaft rotated clockwise by about 45° from TDC/compression of No. 1 cylinder.

Fig 1: Rotating Camshaft 45 degrees

Drain engine oil .
Remove RH engine under cover .
Remove PS vane pump (See POWER STEERING VANE PUMP ) .
Remove ABS actuator (See ACTUATOR/ABS ECU ) .
Remove RH engine mounting insulator (See REMOVAL ) .
Remove drive belt (See CHARGING SYSTEM ) .
Remove generator (See REMOVAL ) .
Remove air cleaner assembly (See REMOVAL ) .
Remove ignition coils (See REMOVAL & INSTALLATION (RAV4) ) .
Remove cylinder head cover .
1. Disconnect the 2 PCV hoses from the cylinder head cover.
2. Remove the 8 bolts, 2 nuts, cylinder head cover and gasket.
Set No. 1 cylinder to TDC/compression .
1. Turn the crankshaft pulley, and align its groove with timing mark 0 of the timing chain cover.
  
  Fig 3: Aligning Crankshaft Pulley & Timing Chain
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that the timing marks of the camshaft timing sprocket and VVT timing sprocket aligned with the timing marks of the No. 1 and No. 2 bearing caps as shown in the illustration.
If not, turn the crankshaft 1 revolution (360°) and align the marks as above.

Fig 4: Checking Timing Marks Align
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove crankshaft pulley .
1. Using SST, loosen the pulley bolt.
  1. SST 09213-54015, 09330-00021
2. Remove the pulley bolt and crankshaft pulley.
NOTE:
If necessary, remove the pulley with SST.
1. SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021), 09950- 40011 (09957-04010)
Fig 6: Displaying SST Removal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove chain tensioner .
Remove the 2 nuts, chain tensioner and gasket.

Fig 7: Displaying Proper Chain Tensioner Removal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove drive belt tensioner .
Remove the bolt, nut and drive belt tensioner.
Remove crankshaft position sensor (See CAMSHAFT POSITION SENSOR ) .
Remove timing chain cover .
1. Using a Torx socket wrench (E10), remove the stud bolt for the drive belt tensioner.
  
  Fig 9: Removing Stud Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 14 bolts and 2 nuts.
  
  Fig 10: Locating Chain Cover Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a screwdriver, pry between the timing chain cover and cylinder head or cylinder block.
4. Remove the timing chain cover.
NOTE: Be careful not to damage the contact surfaces of the timing chain cover, cylinder head and cylinder block.
Remove crank angle sensor plate .
Remove chain tensioner slipper .
Remove the bolt and slipper.
Remove chain vibration damper .
Remove the 2 bolts and damper.
Remove timing chain guide .

Fig 11: Removing Timing Chain Guide
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the bolt and chain guide.
Remove timing chain .
Remove crankshaft timing sprocket .
Remove camshaft timing sprocket and VVT timing sprocket .
1. Hold the hexagonal head wrench portion of the camshaft with a wrench, and loosen the sprocket bolts.
  
  Fig 12: Removing Camshaft Timing Sprocket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Be careful not to damage the cylinder head and valve lifter by a wrench.
2. Remove the bolt and exhaust camshaft timing sprocket.
3. Remove the bolt and VVT timing sprocket.
NOTE: Do not disassemble the VVT timing sprocket.